Vetoquinol Viralys L-Lysine Supplement for Cats - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Flavored Lysine Powder Daily L-Lysine supplement for cats helps support a strong immune system and eye & respiratory health Helps manage common feline health issues such as sneezing, runny nose and watery, inflamed eyes Lysine powder for cats & kittens provides specially-formulated immune support for as long as needed Cats love the highly-palatable fish and poultry flavor; simple to dose and easy to administer Trusted US pet food supplement brand with NASC Quality Seal, devoted to animal health since 1933